| immune = Cold
}}
'''[[The Thorn of Decay''' ]] is a [[Winter Court]] boss in [[Sun Vale]]. He can be summoned by touching a special crystal in one set of ruins.Touching the crystal will cause a chime to be heard, and [[The Thorn of Decay]] will appear on a higher plateau and fly towards where he was summoned. Defeating him will drop a {{Item|Winter Nexus Key}}, used to enter the [[Winter Nexus]].
==Location==
; [[{{MOB Location| area = Sun Vale]]: | location = Eastern Ruins towards the East of the area.| health = 9871| armor = 1329| rage = 1974}}
==Combat Abilities==